US2695032A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure relief valve
Assignee: McDonnell and Miller Inc
•
Filing: 1951-10-31
•
Granted: 1954-11-23
•
Expires: 1971-10-31
Abstract
No abstract record available.
Inventors
- 👤 Leopold J Kmiecik
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:05
CPC Classifications
F; F16; F16K; F16K17/00; F16K17/02; F16K17/04; F16K17/08; F16K17/082; F16K17/044; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7738; Y10T137/7837; Y10T137/7876
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US162831A
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US1359169A
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US2603231A
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US1972170A
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US2072211A
Cited
US2226732A
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US2584715A
Cited
US2576517A
Cited
US2517858A
Cited
US2601563A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-11-22 | 1958-05-24 | 1958-11-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-11-22 | 1962-05-24 | 1962-11-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-11-22 | 1966-05-24 | 1966-11-23 | $7700.00 | Window Closed / Lapsed |